game-sdk/simplewind/huolib/pay/Pay.php

<?php
/**
 * PayDriver.php UTF-8
 * 支付驱动
 *
 * @date    : 2018/2/8 11:47
 *
 * @license 这不是一个自由软件，未经授权不许任何使用和传播。
 * @author  : wuyonghong <wyh@huosdk.com>
 * @version : HUOSDK 8.0
 */

namespace huolib\pay;

use huolib\status\OrderStatus;
use think\Exception;
use think\Log;

class Pay {
    static  $ins;
    private $payway_map
        = [
            'default'  => 'Alipay',
            'alipay'   => 'Alipay',
            'wxpay'    => 'Wxpay',
            'shengpay' => 'Shengpay',
            'balance'  => 'Balancepay'
        ];

    public static function ins() {
        if (self::$ins == null) {
            self::$ins = new self();
        }

        return self::$ins;
    }

    /**
     * @param string $payway
     *
     * @return mixed
     * @throws Exception
     */
    public function get($payway = '') {
        if (empty($payway)) {
            return $this->register('default');
        }
        $_pay_obj = $this->register($payway);
        if (!isset($_pay_obj)) {
            Log::write(
                "func=".__FUNCTION__."&class=".__CLASS__."&errmsg=registerError&payway=".$payway
                .'objName='.$this->payway_map[$payway], 'info'
            );
            throw new Exception(OrderStatus::getMsg(OrderStatus::PAYWAY_INCORRECT), OrderStatus::PAYWAY_INCORRECT);
        }

        return $_pay_obj;
    }

    /**
     * @param string $payway
     *
     * @return mixed
     */
    protected function register($payway = '') {
        $payway = strtolower($payway);
        $_class = '\\huolib\\pay\\driver\\'.$this->payway_map[$payway];

        return new $_class();
    }
}